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Physics

Physics
The unit of noise pollution (level) is :

Decibel
Ppm
None of these
Decimal

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Physics
The purpose of choke in a fluorescent lamp is :

Ro decrease the voltage momentarily
To decrease the current flow
To increase the current flow
To decrease the resistance

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Physics
Rain drops acquire spherical shape due to

Viscosity
Elasticity
Surface tension
Friction

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Physics
The resistance of a conductor is inversely proportional to its:

Resistivity
Area of cross section
Length
Temperature

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Physics
Which waves cannot be transmitted through vacuum?

Electromagnetic
Light
Sound
Heat

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Physics
What is the process of conversion of solid state directly to gaseous state called?

Distillation
Sublimation
Evaporation
Condensation

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MORE MCQ ON Physics

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